2016 Audi A7 Quattro Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Audi A7 Quattro and How to Fix Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2016 Audi A7 Quattro cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2016 Audi A7 Quattro cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2016 Audi A7 Quattro?

When troubleshooting the non-functioning cruise control in your 2016 Audi A7 Quattro, it's essential to adopt a methodical diagnostic approach. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can prevent the system from engaging. Following this, verify the speed sensors, which are critical for the cruise control's functionality; any faults here could disrupt the system. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into specific problems affecting the cruise control system. Additionally, examine the brake and clutch switches, as these components are designed to disengage the cruise control when the pedals are pressed. Lastly, inspect the wiring and connections associated with the cruise control system for any signs of damage or corrosion. By systematically addressing these areas, you can effectively diagnose and potentially resolve the issue with your cruise control system. If these steps do not yield results, seeking assistance from a professional mechanic may be necessary.

What are the common problems that could cause the cruise control to stop working in a 2016 Audi A7 Quattro?

When the cruise control in your 2016 Audi A7 Quattro stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty speed sensor, which is crucial for the cruise control system to accurately gauge your vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain speed. Another frequent issue arises from the brake light switch; if this switch is defective, it can prevent the cruise control from activating or cause it to disengage unexpectedly when you press the brake pedal. Additionally, problems with the throttle control system, such as a malfunctioning throttle position sensor, can hinder the cruise control's ability to maintain a steady speed. Electrical issues, including blown fuses or wiring problems, can also disrupt the cruise control's operation, as can vacuum leaks in the engine system, which are essential for the cruise control to function properly. By identifying these potential issues, you can take the first steps toward troubleshooting and restoring your cruise control functionality.

How urgent is it to address the malfunctioning cruise control in a 2016 Audi A7 Quattro?

Addressing a malfunctioning cruise control in a 2016 Audi A7 Quattro is crucial for maintaining both safety and vehicle performance. When cruise control fails, it can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. Additionally, such malfunctions may signal deeper issues within the vehicle's electronic systems or sensors, which can compromise overall drivability. Ignoring these symptoms not only risks your safety but can also lead to increased fuel consumption and potential damage to other vehicle components. By promptly diagnosing and repairing the cruise control system, you can prevent further complications and avoid costly repairs in the future. Therefore, if you notice any irregularities with your cruise control, it is essential to address them as soon as possible to ensure the reliability and safety of your Audi A7 Quattro.

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